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53376D-20081 — CUP,TAPERED ROLLER BEARING

✓ Government record, cited
— · TAPERED BEARING
PRODUCT OVERVIEW

53376D-20081: CUP,TAPERED ROLLER BEARING.

The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL OVERALL, overall_width: 1.7500 INCHES NOMINAL IN, outside_diameter: 3.7500 INCHES NOMINAL IN, style_designator: DOUBLE CUP, NORMAL ANGLE, backface_corner_radius: 0.0600 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: DOUBLE CUP TYPE TDO. This part is cataloged in the U.S.

Government catalog under NSN 3110-01-658-2344, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
53376D-20081
NSN: 3110-01-658-2344
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 60038 — THE TIMKEN CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width1.7500 INCHES NOMINAL IN
outside_diameter3.7500 INCHES NOMINAL IN
special_featuresGROOVE IN O.D. CENTER,HOLES IN O.D. CENTER,THE BEARING CONE THAT MATCHES THIS BEARING CUP IS NSN:3110-00-227-4066 PART NUMBER 53150
style_designatorDOUBLE CUP, NORMAL ANGLE
backface_corner_radius0.0600 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyDOUBLE CUP TYPE TDO
NSN3110-01-658-2344
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 53376D-20081 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: DOUBLE CUP, NORMAL ANGLE
•
OUTSIDE DIAMETER: 3.7500 INCHES NOMINAL IN
•
BACKFACE CORNER RADIUS: 0.0600 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORDOUBLE CUP, NORMAL ANGLE
OVERALL WIDTH1.7500 INCHES NOMINAL IN
OUTSIDE DIAMETER3.7500 INCHES NOMINAL IN
BACKFACE CORNER RADIUS0.0600 INCHES NOMINAL IN
SPECIAL FEATURESGROOVE IN O.D. CENTER,HOLES IN O.D. CENTER,THE BEARING CONE THAT MATCHES THIS BEARING CUP IS NSN:3110-00-227-4066 PART NUMBER 53150
PART NAME ASSIGNED BY CONTROLLING AGENCYDOUBLE CUP TYPE TDO
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937 3110-00-001-1938 3110-00-001-4661 3110-00-001-4662 3110-00-001-4689 3110-00-001-4722
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 53376D-20081?
53376D-20081 is a CUP,TAPERED ROLLER BEARING.
What is the NSN for 53376D-20081?
53376D-20081 is cataloged in the U.S. Government catalog under NSN 3110-01-658-2344. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.